1958 P Franklin Half Dollar. The 1958 proof franklin half is scarce in grades of pr68 and higher. It is either worth $7.68 each as a silver bullion piece.
The type i reverse was used starting in 1950 on through 1955 and part of 1956. This coin was recently removed from a u.s. Mint marks determine variety and condition narrows its listing on the chart.
1958 Franklin Half Dollar Error. Grade conditional value is determined by how high the coin grades from ms60 through ms70, but no franklin half dollar has graded higher than ms67 so there's no perfect examples to value. If a 1958 franklin half dollar was minted at philadelphia, it will have no mint mark.
As a rough estimate of this coins value you can assume this coin in average condition will be valued at somewhere around $14.00, while one in certified mint state (ms+) condition could bring as. It was very common at the time that the philadelphia mint produced less franklin half dollars than the denver mint. Might seem like it but i kind of see a bit of the effect.